About: Non-thermal desorption/ablation of molecular solids induced by ultra-short soft x-ray pulses

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About: Non-thermal desorption/ablation of molecular solids induced by ultra-short soft x-ray pulses Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	We report the first observation of single-shot soft x-ray laser induced desorption occurring below the ablation threshold in a thin layer of poly ( methyl methacrylate) - PMMA. Irradiated by the focused beam from the Free-electron LASer in Hamburg ( FLASH) at 21.7nm, the samples have been investigated by atomic-force microscope (AFM) enabling the visualization of mild surface modifications caused by the desorption. A model describing non-thermal desorption and ablation has been developed and used to analyze single-shot imprints in PMMA. An intermediate regime of materials removal has been found, confirming model predictions. We also report below-threshold multiple-shot desorption of PMMA induced by high-order harmonics (HOH) at 32nm. Short-time exposure imprints provide sufficient information about transverse beam profile in HOH's tight focus whereas long-time exposed PMMA exhibits radiation-initiated surface hardening making the beam profile measurement infeasible. We report the first observation of single-shot soft x-ray laser induced desorption occurring below the ablation threshold in a thin layer of poly ( methyl methacrylate) - PMMA. Irradiated by the focused beam from the Free-electron LASer in Hamburg ( FLASH) at 21.7nm, the samples have been investigated by atomic-force microscope (AFM) enabling the visualization of mild surface modifications caused by the desorption. A model describing non-thermal desorption and ablation has been developed and used to analyze single-shot imprints in PMMA. An intermediate regime of materials removal has been found, confirming model predictions. We also report below-threshold multiple-shot desorption of PMMA induced by high-order harmonics (HOH) at 32nm. Short-time exposure imprints provide sufficient information about transverse beam profile in HOH's tight focus whereas long-time exposed PMMA exhibits radiation-initiated surface hardening making the beam profile measurement infeasible. (en)
Title	Non-thermal desorption/ablation of molecular solids induced by ultra-short soft x-ray pulses Non-thermal desorption/ablation of molecular solids induced by ultra-short soft x-ray pulses (en)
skos:prefLabel	Non-thermal desorption/ablation of molecular solids induced by ultra-short soft x-ray pulses Non-thermal desorption/ablation of molecular solids induced by ultra-short soft x-ray pulses (en)
skos:notation	RIV/68378271:_____/09:00334060!RIV10-MSM-68378271
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(IAA400100701), P(KAN300100702), P(LA08024), P(LC510), P(LC528), Z(AV0Z10100523)
http://linked.open...iv/cisloPeriodika	1
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Vyšín, Luděk Cihelka, Jaroslav Chalupský, Jaromír Hájková, Věra Juha, Libor
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Fyzikální ústav AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	329752
http://linked.open...ai/riv/idVysledku	RIV/68378271:_____/09:00334060
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	x-ray laser; high-order harmonics; free-electron laser; desorption; ablation; organic polymer (en)
http://linked.open.../riv/klicoveSlovo	high-order harmonics x-ray laser free-electron laser ablation desorption organic polymer
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[C0A78AA9A16A]
http://linked.open...i/riv/nazevZdroje	Optics Express
http://linked.open...in/vavai/riv/obor	BH
http://linked.open...ichTvurcuVysledku	5 (xsd:int)
http://linked.open...cetTvurcuVysledku	23 (xsd:int)
http://linked.open...vavai/riv/projekt	Center of nanotechnology and materials for nanoelectronics Creating and probing nanostructures with X-ray lasers Research in the Frame of the International Center for Dense Magnetized Plasmas - ICDMP Centre of Laser Plasma Metal-Fullerene and Metal-Diamond Nanocomposites: Preparation, Characterization and Modification
http://linked.open...UplatneniVysledku	2009
http://linked.open...v/svazekPeriodika	17
http://linked.open...iv/tvurceVysledku	Chalupský, Jaromír Gautier, J. Hau-Riege, S. P. Hájková, Věra Juha, Libor Krzywinski, J. Sebban, S. Vyšín, Luděk Zeitoun, P. Cihelka, Jaroslav Jurek, M. Pelka, J. B. Sobierajski, R. Tiedtke, K. Toleikis, S. Tschentscher, T. Wabnitz, H. Hajdu, J. London, R. A. Valentin, C. Rey, G. Stojanovic, N. Papalazarou, E.
http://linked.open...ain/vavai/riv/wos	000262220300024
http://linked.open...n/vavai/riv/zamer	Intense Radiation Sources and Radiation-Matter Interaction
issn	1094-4087
number of pages	10 (xsd:int)
is http://linked.open...avai/riv/vysledek of	Non-thermal desorption/ablation of molecular solids induced by ultra-short soft x-ray pulses Non-thermal desorption/ablation of molecular solids induced by ultra-short soft x-ray pulses Non-thermal desorption/ablation of molecular solids induced by ultra-short soft x-ray pulses Non-thermal desorption/ablation of molecular solids induced by ultra-short soft x-ray pulses

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